Portion of a display screen for a dump truck with graphical user interface



The FIGURE is a front view of a portion of a display screen for a dump truck with graphical user interface showing our new design.

The broken lines depicting a frame of a display screen for a dump truck in the FIGURE form no part of the claimed design. The alternate long and short dash lines define, but are not included in, the boundaries of the claimed design. 

CLAIM We claim the ornamental design for a portion of a display screen for a dump truck with graphical user interface, as shown and described. 